Meaning & Definition of word "Spectrum"

Spectrum

/ˈspɛktrəm/

noun:

  • 1. a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength.
    • Example: The artist used a vibrant spectrum of colors to create a stunning mural.
  • 2. a range of different positions, opinions, or qualities.
    • Example: The political spectrum in the country includes a wide range of ideologies from liberal to conservative.
  • 3. a continuous range of values or a scale.
    • Example: The researchers conducted a study on the spectrum of mental health issues faced by young adults.
  • 4. in physics, the distribution of energy emitted by a source or the range of light wavelengths.
    • Example: The spectrum of the star was analyzed to determine its temperature and composition.
  • 5. the range of frequencies of electromagnetic radiation.
    • Example: The radio spectrum is regulated to prevent interference between different communication services.

Etymology

Latin 'spectrum', meaning 'image' or ' apparition'.

Common Phrases and Expressions

light spectrum:

The range of different wavelengths of light.

political spectrum:

The range of political beliefs and opinions.

sound spectrum:

The range of frequencies of sound.

Related Words

spectroscopy:

The study of the interaction between light and matter to understand the spectrum.

spectrum analyzer:

An electronic device that measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.

Slang Meanings of spectrum

Meaning: Wide range or variety.

Example Sentence: Her interests span the entire spectrum, from knitting to quantum physics.

Meaning: Used to describe someone's behavior or personality as diverse or complex.

Example Sentence: He's got a bit of a spectrum personality; he can be super chill one moment and then very intense the next.